34 lines
906 B
GLSL
34 lines
906 B
GLSL
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#version 450
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//#define ENABLE_TONE_MAPPING
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layout (location = 0) in vec2 inUV;
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layout (location = 0) out vec4 outColor;
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layout (set = 0, binding = 0) uniform sampler2D originColor;
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vec3 Tonemap_ACES(const vec3 x) {
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// Narkowicz 2015, "ACES Filmic Tone Mapping Curve"
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// const float a = 2.51;
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// const float b = 0.03;
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// const float c = 2.43;
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// const float d = 0.59;
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// const float e = 0.14;
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// return clamp( (x*(a*x+b))/(x*(c*x+d)+e), vec3(0.0), vec3(1.0));
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//ACES RRT/ODT curve fit courtesy of Stephen Hill
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vec3 a = x * (x + 0.0245786) - 0.000090537;
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vec3 b = x * (0.983729 * x + 0.4329510) + 0.238081;
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return a / b;
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}
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void main()
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{
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vec3 color = texture(originColor, inUV).rgb;
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#ifdef ENABLE_TONE_MAPPING
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color = Tonemap_ACES(color);
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#endif
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const float invGamma = 0.45454545;
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color = pow(color, vec3(invGamma));
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outColor = vec4(color, 1.0f);
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}
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